Home / 1,157,499.20-1,736,248.80-409,620.80

Finding the Fourth Proportional to 1,157,499.20, 1,736,248.80 and 409,620.80

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Solution

The fourth proportional to 1,157,499.20, 1,736,248.80 and 409,620.80 is: 614,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,499.20 : 1,736,248.80 = 409,620.80 : x
  2. Step 2: Convert to fraction form
    1,157,499.20/1,736,248.80 = 409,620.80/x
  3. Step 3: Cross multiply
    1,157,499.20x = 1,736,248.80 × 409,620.80
  4. Step 4: Simplify right side
    1,157,499.20x = 711,203,622,455.04
  5. Step 5: Solve for x
    x = 711,203,622,455.04/1,157,499.20
  6. Step 6: Final answer
    x = 614,431.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.